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发明名称
PROCEDIMIENTO Y DISPOSITIVO AUTOMATICOS DE CIERRE PARA VAL-VULAS DE CONDUCCIONES HIDRAULICAS O GASEOSAS, ACCIONADO POR ROTURA O DEPRESIONES EN LAS MISMAS.
摘要
申请公布号
ES359885(A1)
申请公布日期
1970.10.01
申请号
ES19850003598
申请日期
1968.11.05
申请人
PEREZ DE VILLAAMIL ESPUNES;SIERRA NAVA
发明人
分类号
F16L;(IPC1-7):16L/
主分类号
F16L
代理机构
代理人
主权项
地址
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